CA2146070C - Reacteur ameliore pour la synthese de l'uree - Google Patents
Reacteur ameliore pour la synthese de l'uree Download PDFInfo
- Publication number
- CA2146070C CA2146070C CA002146070A CA2146070A CA2146070C CA 2146070 C CA2146070 C CA 2146070C CA 002146070 A CA002146070 A CA 002146070A CA 2146070 A CA2146070 A CA 2146070A CA 2146070 C CA2146070 C CA 2146070C
- Authority
- CA
- Canada
- Prior art keywords
- reactor
- perforated
- tray
- liquid
- urea
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/16—Fractionating columns in which vapour bubbles through liquid
- B01D3/22—Fractionating columns in which vapour bubbles through liquid with horizontal sieve plates or grids; Construction of sieve plates or grids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J10/00—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor
- B01J10/002—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor carried out in foam, aerosol or bubbles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/04—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00002—Chemical plants
- B01J2219/00018—Construction aspects
- B01J2219/00024—Revamping, retrofitting or modernisation of existing plants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
- B01J2219/00083—Coils
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00121—Controlling the temperature by direct heating or cooling
- B01J2219/00128—Controlling the temperature by direct heating or cooling by evaporation of reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00162—Controlling or regulating processes controlling the pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00164—Controlling or regulating processes controlling the flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00186—Controlling or regulating processes controlling the composition of the reactive mixture
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US40562395A | 1995-03-15 | 1995-03-15 | |
US08/405,623 | 1995-03-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2146070A1 CA2146070A1 (fr) | 1996-09-16 |
CA2146070C true CA2146070C (fr) | 2002-01-29 |
Family
ID=23604480
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002146070A Expired - Lifetime CA2146070C (fr) | 1995-03-15 | 1995-03-31 | Reacteur ameliore pour la synthese de l'uree |
Country Status (3)
Country | Link |
---|---|
US (1) | US6165315A (fr) |
CN (1) | CN1063174C (fr) |
CA (1) | CA2146070C (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE60035141T2 (de) * | 1999-02-18 | 2008-02-14 | Nippon Shokubai Co., Ltd. | Perforierter Boden ohne Ablauf, Kolonne mit perforiertem Boden ohne Ablauf und Verfahren zur Destillation |
GB0114345D0 (en) * | 2001-06-13 | 2001-08-08 | Aortech Europ Ltd | Heart valve prosthesis and method of manufacture |
US7687041B2 (en) * | 2008-02-27 | 2010-03-30 | Kellogg Brown & Root Llc | Apparatus and methods for urea production |
IT1399757B1 (it) * | 2010-04-30 | 2013-05-03 | Saipem Spa | Reattore per la conduzione di reazioni bifasiche gas-liquido |
ITMI20111299A1 (it) | 2011-07-12 | 2013-01-13 | Saipem Spa | Piatto di reattore per la produzione di urea, e reattore e processo di produzione di urea |
EP3135665A1 (fr) * | 2015-08-25 | 2017-03-01 | Casale SA | Réacteur-condensateur pour la synthèse de l'urée |
US20240082808A1 (en) | 2021-04-28 | 2024-03-14 | Stamicarbon B.V. | Chemical reactor with internal static mixers |
CN115677541A (zh) * | 2022-11-21 | 2023-02-03 | 中轻化工绍兴有限公司 | 长链烯基磺酸盐的连续化生产工艺 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2857431A (en) * | 1955-04-29 | 1958-10-21 | Monsanto Chemicals | Continuous process for making urea |
US2973189A (en) * | 1956-02-28 | 1961-02-28 | Chu Ju Chin | Fractionating columns |
GB818864A (en) * | 1956-05-15 | 1959-08-26 | Monsanto Chemicals | Process for the production of ureas |
US3046307A (en) * | 1957-04-05 | 1962-07-24 | Distillation process for synthesizing | |
US3143482A (en) * | 1961-01-09 | 1964-08-04 | Phillips Petroleum Co | Separation apparatus |
US3501798A (en) * | 1967-04-15 | 1970-03-24 | Ennio Carraro | Electric polisher for smooth vertical walls,such as window glass |
CA932652A (en) * | 1968-10-26 | 1973-08-28 | B. Nazzer Don | Tower vapour feed system |
US4341640A (en) * | 1976-09-27 | 1982-07-27 | Standard Oil Company | Urea hydrolysis |
US4098579A (en) * | 1977-03-03 | 1978-07-04 | Instytut Nawozow Sztucznych Zjednoczenie "Petrochemia" | Installation for conducting a synthesis reaction of urea |
SU1124992A1 (ru) * | 1977-12-26 | 1984-11-23 | Предприятие П/Я А-3605 | Массообменный аппарат |
FR2445532A1 (fr) * | 1978-12-27 | 1980-07-25 | Schlumberger Prospection | Procede et dispositif pour mesurer la resistivite des fluides dans un sondage |
NL8201652A (nl) * | 1982-04-21 | 1983-11-16 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
US5002855A (en) * | 1989-04-21 | 1991-03-26 | E. I. Du Pont De Nemours And Company | Solid imaging method using multiphasic photohardenable compositions |
US4942066A (en) * | 1989-04-21 | 1990-07-17 | E. I. Du Pont De Nemours And Company | Solid imaging method using photohardenable materials of self limiting thickness |
EP0487935A1 (fr) * | 1990-11-26 | 1992-06-03 | Urea Casale S.A. | Procédé et réacteurs à haut rendement pour la synthèse d'urée |
DE69222665T2 (de) * | 1991-01-15 | 1998-05-07 | Urea Casale Sa | Verfahren und Vorrichtung zur Verbesserung der Ausbeute und Herstellungspotential von Harnstoffreaktoren |
US5223238A (en) * | 1992-01-16 | 1993-06-29 | The M. W. Kellogg Company | Method for treating ammonia and urea condensates |
CA2141886E (fr) * | 1994-05-11 | 1999-10-12 | Federico Zardi | Reacteur pour reactions biphasiques, notamment pour la synthese d'uree a hautes pression et temperature |
US5707780A (en) * | 1995-06-07 | 1998-01-13 | E. I. Du Pont De Nemours And Company | Photohardenable epoxy composition |
-
1995
- 1995-03-31 CA CA002146070A patent/CA2146070C/fr not_active Expired - Lifetime
-
1996
- 1996-03-14 CN CN96105777A patent/CN1063174C/zh not_active Expired - Lifetime
-
1999
- 1999-05-03 US US09/303,687 patent/US6165315A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1137516A (zh) | 1996-12-11 |
US6165315A (en) | 2000-12-26 |
CN1063174C (zh) | 2001-03-14 |
CA2146070A1 (fr) | 1996-09-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20150331 |